<!DOCTYPE html>
<html>
<<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
  <title>开始使用Layui</title>
   
   
     <link rel="stylesheet" href="WEB-INF/layui-master/src/css/layui.css">
     <script src="WEB-INF\layui-master\src\layui.js"></script>

</head>
<body>
 
<!-- 你的HTML代码 -->
 

<script>
 
//一般直接写在一个js文件中
layui.use(['layer', 'form'], function(){
  var layer = layui.layer
  ,form = layui.form();
  
  layer.msg('Hello World');
});
</script> 
<button class="layui-btn layui-btn-normal">一个标准的按钮</button>
<a href="http://www.layui.com" class="layui-btn">一个可跳转的按钮</a>
<i class="layui-icon">&#xe60c;</i>   
  <button class="layui-btn"><i class="layui-icon"></i>修改</button>
</body>
</html>